How much of your income can your retirement savings replace? It's a simple yet important question. It can also make your head spin and long for the days of pension plans. Yet there is an easy way to ...

One of the biggest challenges of retirement planning is figuring out how much money you need. There are several ways to estimate it , including talking to a financial advisor or using a retirement ...

Evan Shellshear is head of analytics at Biarri, a mathematical and predictive modelling company. This article was co-authored by Brendan Markey-Towler, previously a lecturer and research fellow at The ...

It’s hard to be an iPad user, especially when a discussion breaks out in my friend’s group about the calculator app. Aside from the powerful hardware, Apple Pencil support, seamless integration with ...

Money borrowed from commercial banks comes at a cost. This extra amount of money that a borrower has to pay back is known as interest, and the original sum is called principal. And the rate at which a ...

Simple interest is paid only on the principal, e.g., a $10,000 investment at 5% yields $500 annually. Compound interest accumulates on both principal and past interest, increasing total returns over ...

NEW YORK, April 2: Many people use smartwatches to track their cardiovascular health, often by counting daily steps or monitoring their average heart rate. Researchers, however, are now proposing an ...

Even if math wasn't your strongest subject back in school, don't shy away from this simple calculation that can save your life! Daily step count is given all the importance. Special smartwatches are ...

An Elementary Treatment of Transient Problems in Linear Electrical Circuits, by Heaviside's Operational Method. By G. W. Carter. Pp. viii + 120. (Cambridge: At the ...